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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 559 · 40 questions
TalentJR

Engineer's tip (What is in the middle?): Find the fulcrum, the load and the effort. Put them in order along the bar and look at the middle one. Fulcrum middle → class 1 · load middle → class 2 · effort middle → class 3.

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  1. 1.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) on the rock (d) far from the fulcrum
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  5. 5.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  9. 9.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  10. 10.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  12. 12.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  22. 22.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the effort (d) the fulcrum
  24. 24.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  29. 29.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  38. 38.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  40. 40.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3

Answer key

  1. far from the fulcrum
  2. class 2
  3. class 3
  4. class 1
  5. class 2
  6. False
  7. class 1
  8. class 3
  9. True
  10. True
  11. the effort
  12. class 1
  13. class 2
  14. class 3
  15. the load
  16. class 3
  17. class 1
  18. True
  19. class 1
  20. class 1
  21. class 2
  22. True
  23. the fulcrum
  24. class 1
  25. True
  26. False
  27. False
  28. class 3
  29. True
  30. False
  31. class 3
  32. True
  33. class 3
  34. True
  35. False
  36. False
  37. class 2
  38. False
  39. False
  40. class 1

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